Bump kamal from 2.3.0 to 2.4.0

Bumps [kamal](https://github.com/basecamp/kamal) from 2.3.0 to 2.4.0.
- [Release notes](https://github.com/basecamp/kamal/releases)
- [Commits](basecamp/kamal@v2.3.0...v2.4.0)

---
updated-dependencies:
- dependency-name: kamal
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -126,7 +126,7 @@ GEM
       warden (~> 1.2.3)
     diff-lcs (1.5.1)
     domain_name (0.6.20240107)
-    dotenv (3.1.4)
+    dotenv (3.1.6)
     drb (2.2.1)
     dry-cli (1.2.0)
     ed25519 (1.3.0)
@@ -179,7 +179,7 @@ GEM
       actionview (>= 5.0.0)
       activesupport (>= 5.0.0)
     jmespath (1.6.2)
-    kamal (2.3.0)
+    kamal (2.4.0)
       activesupport (>= 7.0)
       base64 (~> 0.2)
       bcrypt_pbkdf (~> 1.0)
@@ -193,7 +193,7 @@ GEM
     llhttp-ffi (0.5.0)
       ffi-compiler (~> 1.0)
       rake (~> 13.0)
-    logger (1.6.2)
+    logger (1.6.3)
     loofah (2.23.1)
       crass (~> 1.0.2)
       nokogiri (>= 1.12.0)
@@ -325,7 +325,7 @@ GEM
       fugit (~> 1.1, >= 1.11.1)
     sassc (2.4.0)
       ffi (~> 1.9)
-    securerandom (0.4.0)
+    securerandom (0.4.1)
     selenium-webdriver (4.27.0)
       base64 (~> 0.2)
       logger (~> 1.4)